feat(Concept): 股票数量和更多按钮可点击弹出股票列表

- 卡片视图：右上角"X只股票"徽章可点击
- 列表视图："X只股票"文字可点击
- 列表视图："+X更多"文字可点击
- 点击后弹出股票列表弹窗，与"查看个股"按钮行为一致

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/views/Concept/index.js

@@ -963,7 +963,7 @@ const ConceptCenter = () => {
                         </Badge>
                     )}
 
-                    {/* 右上角股票数量徽章 */}
+                    {/* 右上角股票数量徽章 - 可点击 */}
                     <Badge
                         position="absolute"
                         top={3}
@@ -978,6 +978,13 @@ const ConceptCenter = () => {
                         fontWeight="medium"
                         border="1px solid"
                         borderColor="whiteAlpha.200"
+                        cursor="pointer"
+                        _hover={{
+                            bg: 'rgba(139, 92, 246, 0.6)',
+                            borderColor: 'purple.400',
+                        }}
+                        transition="all 0.2s"
+                        onClick={(e) => handleViewStocks(e, concept)}
                     >
                         {concept.stock_count || 0} 只股票
                     </Badge>
@@ -1233,9 +1240,15 @@ const ConceptCenter = () => {
                                 </Text>
 
                                 <HStack spacing={4} flexWrap="wrap">
-                                    <HStack spacing={1}>
+                                    <HStack
+                                        spacing={1}
+                                        cursor="pointer"
+                                        onClick={(e) => handleViewStocks(e, concept)}
+                                        _hover={{ color: 'purple.300' }}
+                                        transition="color 0.2s"
+                                    >
                                         <Icon as={FaChartLine} boxSize={4} color="purple.300" />
-                                        <Text fontSize="sm" fontWeight="medium" color="whiteAlpha.800">
+                                        <Text fontSize="sm" fontWeight="medium" color="whiteAlpha.800" _groupHover={{ color: 'purple.300' }}>
                                             {concept.stock_count || 0} 只股票
                                         </Text>
                                     </HStack>
@@ -1332,7 +1345,14 @@ const ConceptCenter = () => {
                                                 ))}
                                                 {concept.stocks.length > 3 && (
                                                     <WrapItem>
-                                                        <Text fontSize="xs" color="purple.300" fontWeight="medium">
+                                                        <Text
+                                                            fontSize="xs"
+                                                            color="purple.300"
+                                                            fontWeight="medium"
+                                                            cursor="pointer"
+                                                            _hover={{ color: 'purple.200', textDecoration: 'underline' }}
+                                                            onClick={(e) => handleViewStocks(e, concept)}
+                                                        >
                                                             +{concept.stocks.length - 3}更多
                                                         </Text>
                                                     </WrapItem>